Rope fall:
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Sine wave (975Hz)
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Rooms,, The noise of the refrigerator
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Tinder duster surface
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Fishing torsion reels
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Tile falls
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Bicycle rear wheel ratchet
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Electronic bird singing
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The metal gates of the grill open, close
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Laboratory experiment
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Ventilation inside, The noise of the room
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Air dissection
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The noise of the room in the hangar for
★★★★★